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US 2011/0033069 A1Published application
Thermoacoustic device
AssigneesTsinghua University, Hon Hai Precision Industry Co., Ltd.
InventorsLIANG LIU, ZHUO CHEN, KAI LIU, CHEN FENG, KAI-LI JIANG, SHOU-SHAN FAN
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Abstract
The present invention relates to a thermoacoustic device that includes an acoustic element. The acoustic element includes a substrate, a plurality of microspaces, and a metal film. The metal film is located above the substrate. A plurality of microspaces is defined between the substrate and the metal film. The metal film is partially suspended above the substrate.
Claims20
A thermoacoustic device, the thermoacoustic device comprising:
- an acoustic element, the acoustic element comprising,
- a substrate;
- and
- a metal film located above the substrate, wherein a plurality of microspaces is defined between the substrate and the metal film, whereby the metal film is suspended above the substrate.
1 more element
A thermoacoustic device, comprising:
- a signal input device;
- a substrate comprising a plurality of microstructures on a surface thereof;
- and
- a metal film suspended above the surface of the substrate and electrically connected to the signal input device, and the metal film is capable of generating sounds in response to inputs from the signal input device.
1 more element
Dependencies are inferred from the claim text.